Post-UTME Chemistry 2009 Objective — Question 2

Question 2 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2009 Objective paper, with the correct answer and a full explanation.

Which of the following statements is true?

A. All ammonium salts are soluble in waterCorrect
B. All trioxocarbonate(IV) salts are soluble in water
C. Some trioxonitrate (V) salts are soluble in water
D. a and c above

Explanation

All ammonium salts are soluble in water; this is a well-established solubility rule (all nitrates, including trioxonitrates, are also soluble - not merely 'some' - which is why option A alone is the cleanest true statement).

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